Dr Amir Khan said there are a number of symptoms which are red flags for potentially serious health issues (Image: Instagram/doctoramirkhan)

A practising GP has urged Britons to always seek medical advice if they experience five crucial symptoms. Dr Amir Khan, who has featured on ITV programmes including Lorraine and This Morning, issued the warning today - which also covers a symptom many people may be experiencing as flu surges sweep across the UK.

However, Dr Khan emphasised it's not simply about cold symptoms - it's about whether you've had a particular type of cough for a specific length of time. Health authorities have issued a fresh call for anyone eligible for a flu jab to get vaccinated as soon as possible, cautioning that cases are likely to increase further as the festive se

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